Alert archive / Wisconsin / Gale Warnings in 2021

Gale Warning 4, NWS Green Bay, WI

March 17, 2021

NWS Green Bay, WI issued this gale warning at Mar 17, 2021, 3:18 PM CDT. It took effect at Mar 18, 2021, 4:00 AM CDT. It was in force for 15 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Mar 17, 2021, 3:18 PM CDT (20:18 UTC)
In effect from
Mar 18, 2021, 4:00 AM CDT
Expired
Mar 18, 2021, 7:00 PM CDT
In force
15 hr
Issued by
NWS Green Bay, WI

The text

As transmitted.

802 
WHUS73 KGRB 172018
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
318 PM CDT Wed Mar 17 2021

LMZ541>543-180430-
/O.UPG.KGRB.GL.A.0002.210318T1200Z-210319T0300Z/
/O.NEW.KGRB.GL.W.0004.210318T0900Z-210319T0000Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
318 PM CDT Wed Mar 17 2021

...GALE WARNING IN EFFECT FROM 4 AM TO 7 PM CDT THURSDAY...

* WHAT...Northeast winds increasing to 20 to 30 knots with gusts
  up to 35 knots after midnight. Waves building to 4 to 6 feet
  after midnight, then building to 6 to 9 feet Thursday morning.

* WHERE...Lake Michigan nearshore waters from Washington Island 
  to Sheboygan.

* WHEN...From 4 AM to 7 PM CDT Thursday.

* IMPACTS...Strong winds will cause hazardous waves which could
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LMZ521-522-180430-
/O.NEW.KGRB.SC.Y.0021.210318T1200Z-210319T0000Z/
Green Bay south of line from  Cedar River to Rock Island Passage
and north of a line from Oconto WI to Little Sturgeon Bay WI-
Green Bay south of line from  Oconto WI to Little Sturgeon Bay WI-
318 PM CDT Wed Mar 17 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM TO 7 PM CDT
THURSDAY...

* WHAT...Northeast winds increasing to 15 to 25 knots Thursday
  morning. Waves building to 3 to 5 feet Thursday morning.

* WHERE...Central and Southern Bay of Green Bay.

* WHEN...From 7 AM to 7 PM CDT Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

* ADDITIONAL DETAILS...Moving and shifting ice could cause
  additional hazards to mariners.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

Hykin
5 follow-up statements
810 
WHUS73 KGRB 180145
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
845 PM CDT Wed Mar 17 2021

LMZ522-180945-
/O.UPG.KGRB.SC.Y.0021.210318T1200Z-210319T0000Z/
/O.EXB.KGRB.GL.W.0004.210318T1200Z-210319T0000Z/
Green Bay south of line from  Oconto WI to Little Sturgeon Bay WI-
845 PM CDT Wed Mar 17 2021

...GALE WARNING IN EFFECT FROM 7 AM TO 7 PM CDT THURSDAY...

* WHAT...Northeast winds increasing to 20 to 30 knots with gale
  force gusts to around 40 knots. Waves building to 2 to 4 feet.

* WHERE...Southern Bay of Green Bay.

* WHEN...From 7 AM to 7 PM CDT Thursday.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

* ADDITIONAL DETAILS...Moving and shifting ice could cause
  additional hazards to mariners.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LMZ541>543-180945-
/O.CON.KGRB.GL.W.0004.210318T0900Z-210319T0000Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
845 PM CDT Wed Mar 17 2021

...GALE WARNING REMAINS IN EFFECT FROM 4 AM TO 7 PM CDT
THURSDAY...

* WHAT...Northeast winds increasing to 20 to 30 knots with gusts
  to 35 knots. Waves building to 4 to 6 feet after midnight, then
  building to 6 to 9 feet Thursday morning.

* WHERE...Lake Michigan nearshore waters from Washington Island 
  to Sheboygan.

* WHEN...From 4 AM to 7 PM CDT Thursday.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LMZ521-180945-
/O.CON.KGRB.SC.Y.0021.210318T1200Z-210319T0000Z/
Green Bay south of line from  Cedar River to Rock Island Passage
and north of a line from Oconto WI to Little Sturgeon Bay WI-
845 PM CDT Wed Mar 17 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM TO 7 PM CDT
THURSDAY...

* WHAT...Northeast winds increasing to 15 to 25 knots with a few
  gale force gusts to around 35 knots. Waves building to 2 to 4 
  feet.

* WHERE...Central Bay of Green Bay.

* WHEN...From 7 AM to 7 PM CDT Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

* ADDITIONAL DETAILS...Moving and shifting ice could cause
  additional hazards to mariners.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

Hykin
794 
WHUS73 KGRB 180810
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
310 AM CDT Thu Mar 18 2021

LMZ541>543-181615-
/O.CON.KGRB.GL.W.0004.210318T0900Z-210319T0000Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
310 AM CDT Thu Mar 18 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...

* WHAT...Northeast winds increasing to 20 to 30 kts with gusts up
  to 40 kt and waves 6 to 9 ft expected.

* WHERE...Lake Michigan nearshore waters from Washington Island 
  to Sheboygan.

* WHEN...Until 7 PM CDT this evening.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LMZ522-181615-
/O.CON.KGRB.GL.W.0004.210318T1200Z-210319T0000Z/
Green Bay south of line from  Oconto WI to Little Sturgeon Bay WI-
310 AM CDT Thu Mar 18 2021

...GALE WARNING REMAINS IN EFFECT FROM 7 AM THIS MORNING TO 7 PM
CDT THIS EVENING...

* WHAT...Northeast winds increasing to 15 to 25 kt with gale 
  force gusts to 35 kt expected.

* WHERE...Southern Bay of Green Bay.

* WHEN...From 7 AM this morning to 7 PM CDT this evening.

* IMPACTS...Strong winds will cause hazardous waves which could
  capsize or damage vessels and reduce visibility. Wave heights 
  will depend on the amount of ice in the water. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LMZ521-181615-
/O.CON.KGRB.SC.Y.0021.210318T1200Z-210319T0000Z/
Green Bay south of line from  Cedar River to Rock Island Passage
and north of a line from Oconto WI to Little Sturgeon Bay WI-
310 AM CDT Thu Mar 18 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM THIS MORNING
TO 7 PM CDT THIS EVENING...

* WHAT...Northeast winds increasing to 15 to 25 kts with gusts up
  to 30 kt and waves up to 3 ft expected.

* WHERE...Central Bay of Green Bay.

* WHEN...From 7 AM this morning to 7 PM CDT this evening.

* IMPACTS...Conditions will be hazardous to small craft.

* ADDITIONAL DETAILS...Wave heights will depend on amount of ice
  in the water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$
880 
WHUS73 KGRB 181527
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
1027 AM CDT Thu Mar 18 2021

LMZ541>543-182330-
/O.CON.KGRB.GL.W.0004.000000T0000Z-210319T0000Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
1027 AM CDT Thu Mar 18 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...

* WHAT...Northeast 20 to 30 kts with gusts up to 40 kt and waves 
  6 to 9 ft expected.

* WHERE...Lake Michigan nearshore waters from Washington Island 
  to Sheboygan.

* WHEN...Until 7 PM CDT this evening.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LMZ522-182330-
/O.CON.KGRB.GL.W.0004.000000T0000Z-210319T0000Z/
Green Bay south of line from  Oconto WI to Little Sturgeon Bay WI-
1027 AM CDT Thu Mar 18 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...

* WHAT...Northeast winds 20 to 25 kt with gale force gusts to 35 
  kt expected.

* WHERE...Southern Bay of Green Bay.

* WHEN...Thru 7 PM CDT this evening.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility. Wave heights 
  will depend on the amount of ice in the water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LMZ521-182330-
/O.CON.KGRB.SC.Y.0021.000000T0000Z-210319T0000Z/
Green Bay south of line from  Cedar River to Rock Island Passage
and north of a line from Oconto WI to Little Sturgeon Bay WI-
1027 AM CDT Thu Mar 18 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...

* WHAT...Northeast winds increasing to 15 to 25 kts with gusts 
  up to 30 kt and waves up to 3 ft expected.

* WHERE...Central Bay of Green Bay.

* WHEN...Thru 7 PM CDT this evening.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$
323 
WHUS73 KGRB 182052
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
352 PM CDT Thu Mar 18 2021

LMZ541>543-190000-
/O.CON.KGRB.GL.W.0004.000000T0000Z-210319T0000Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
352 PM CDT Thu Mar 18 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...

* WHAT...Northeast winds 20 to 30 knots with gusts to 40 knots and
  waves 6 to 9 feet.

* WHERE...Lake Michigan nearshore waters from Washington Island 
  to Sheboygan.

* WHEN...Until 7 PM CDT this evening.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LMZ522-190000-
/O.CON.KGRB.GL.W.0004.000000T0000Z-210319T0000Z/
Green Bay south of line from  Oconto WI to Little Sturgeon Bay WI-
352 PM CDT Thu Mar 18 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...

* WHAT...Northeast winds 15 to 25 knots with gusts to 35 knots and
  waves of 2 to 4 feet.

* WHERE...Southern Bay of Green Bay.

* WHEN...Until 7 PM CDT this evening.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LMZ521-190000-
/O.CON.KGRB.SC.Y.0021.000000T0000Z-210319T0000Z/
Green Bay south of line from  Cedar River to Rock Island Passage
and north of a line from Oconto WI to Little Sturgeon Bay WI-
352 PM CDT Thu Mar 18 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...

* WHAT...Northeast winds 15 to 25 knots with a few gusts to 30
  knots and waves of 2 to 4 feet.

* WHERE...Central Bay of Green Bay.

* WHEN...Until 7 PM CDT this evening.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

Hykin
083 
WHUS73 KGRB 182350
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
650 PM CDT Thu Mar 18 2021

LMZ541>543-190800-
/O.EXP.KGRB.GL.W.0004.000000T0000Z-210319T0000Z/
/O.EXB.KGRB.SC.Y.0021.210319T0000Z-210319T1300Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
650 PM CDT Thu Mar 18 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM CDT FRIDAY...
...GALE WARNING WILL EXPIRE AT 7 PM CDT THIS EVENING...

* WHAT...Northeast winds 15 to 25 knots with gusts to 30 knots
  decreasing to 10 to 20 kts after midnight. Waves 5 to 8 feet
  subsiding to 4 to 7 feet after midnight.

* WHERE...Lake Michigan nearshore waters from Washington Island 
  to Sheboygan.

* WHEN...Until 8 AM CDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LMZ522-190100-
/O.EXP.KGRB.GL.W.0004.000000T0000Z-210319T0000Z/
Green Bay south of line from  Oconto WI to Little Sturgeon Bay WI-
650 PM CDT Thu Mar 18 2021

...GALE WARNING WILL EXPIRE AT 7 PM CDT THIS EVENING...

The threat for gale force gusts has diminished. However, a few
gusts to 25 knots are possible over the next few hours.

$$

LMZ521-190100-
/O.EXP.KGRB.SC.Y.0021.000000T0000Z-210319T0000Z/
Green Bay south of line from  Cedar River to Rock Island Passage
and north of a line from Oconto WI to Little Sturgeon Bay WI-
650 PM CDT Thu Mar 18 2021

...SMALL CRAFT ADVISORY WILL EXPIRE AT 7 PM CDT THIS EVENING...

Winds and waves have fallen below small craft advisory criteria,
but a few gusts to 25 knots will be possible over the next few 
hours.

$$

Hykin

The office that day

Everything else NWS Green Bay, WI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 17, 3:22 AM CDTGale WatchGRB12 hr
Mar 17, 2:18 PM CDTWind AdvisoryGRBBrown, Door, Kewaunee, Manitowoc29 hr
Mar 17, 3:18 PM CDTSmall Craft AdvisoryGRB36 hr

Nearby

Gale Warnings in Wisconsin, 2021Every gale warning in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.